842269609231 has 2 divisors, whose sum is σ = 842269609232. Its totient is φ = 842269609230.

The previous prime is 842269609141. The next prime is 842269609267. The reversal of 842269609231 is 132906962248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842269609231 - 2¹⁷ = 842269478159 is a prime.

It is a super-2 number, since 2×842269609231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842269609271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421134804615 + 421134804616.

It is an arithmetic number, because the mean of its divisors is an integer number (421134804616).

Almost surely, 2^842269609231 is an apocalyptic number.

842269609231 is a deficient number, since it is larger than the sum of its proper divisors (1).

842269609231 is an equidigital number, since it uses as much as digits as its factorization.

842269609231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 842269609231 in words is "eight hundred forty-two billion, two hundred sixty-nine million, six hundred nine thousand, two hundred thirty-one".